TASKalfa 3500i - Fuser Roller;Wire;Fusing Issues; 1. Please upgrade firmware; 2. Replace fuser unit

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C6020 (Abnormally high fuser thermistor 1 temperature)/C6030（Broken fuser

thermistor 1 wire）/The fuser press roller may melt and stick./Poor Fusing

Please be required following the below cases such as C6030/C6020/The fuser press roller

may fuse and stick./The fuser failure.

１．Please upgrade the firmware to the Upgrade Pack Ver.V3.07 or later.

２．When the phenomenon is not cleared even if upgrading, please replace with the new fuser

unit as below.

FK-6305（100V）：302LH93042～

FK-6306（120V）：302LH93052～

FK-6307（220V）：302LH93062～

FK-6307（CHN）：302LH9C062～

FK-6307（KR）：302LH9K062～

FUSER 110 H UNIT（TW）：302LH93082～

For 3500i/4500i/5500i

【Service bulletin】 2LH-0011(C172)